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Use of the reversed button device to treat an atrial septal aneurysm associated with a patent foramen ovale.
  1. V. K. Mehan,
  2. E. B. Sideris,
  3. B. Meier
  1. University Hospital, Bern, Switzerland.


    An atrial septal aneurysm may be associated with a patent foramen ovale. When paradoxical emboli result, the shunt must be closed and the atrial septal aneurysm excised. A reversed buttoned occluder device was successfully used for the transcatheter treatment of this condition.

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